Halfdan III of Ostlandet

Halfdan III of Ostlandet (825-866) was the king of Ostlandet from 865 to 866, succeeding Gudrodr of Ostlandet and preceding Harald Fairhair.

Biography
Halfdan III of Ostlandet was born in 825, the son of Gudrodr of Ostlandet. Halfdan was a member of the House of Yngling of Norway, and he succeeded his father as king of Ostlandet on his death in 865. Halfdan reigned for just one year before he also died, and his son Harald Fairhair succeeded him.